145098-57-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145098-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,0,9 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 145098-57:
(8*1)+(7*4)+(6*5)+(5*0)+(4*9)+(3*8)+(2*5)+(1*7)=143
143 % 10 = 3
So 145098-57-3 is a valid CAS Registry Number.
145098-57-3Relevant articles and documents
METHOD FOR PRODUCING URETHANES COMPOSED OF DI-FUNCTIONAL AROMATIC AMINES AND DIALKYL CARBONATES
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Page/Page column 2, (2011/06/24)
A process for preparing urethanes by reacting aromatic diamines with a dialkyl carbonate, wherein the alkyl radical of the organic dialkyl carbonate comprises 2-18 carbon atoms and one or more heteroatoms and the reaction is performed in the presence of a
